Portsmouth Rhode Island Weather Almanac  
Thursday, July 11, 2024  
Mostly Cloudy, Light Rain & Fog early to Partly Cloudy PM, Windy, Continued Warm and Very Muggy  
  Climate Normal Period Climate Record Period
  1991 - 2020 1893 - 2024
    July 11, 2024   Record   Record  
Observed Daily Data   2024   2023   Norm   Depart   Highest   Lowest  
Maximum Temperature   82   86   80   +2   91   in 1993   64   in 1917  
Minimum Temperature   72   65   65   +7   74   in 1911   53   in 1953  
Average Temperature   77   76   73   +4   83   in 1911   61   in 1917  
 Month Avg Max Temperature   80.6   81.3   79.3   +1.4   86.6   in 1955   70.6   in 1914  
Month Avg Min Temperature   67.5   67.3   63.8   +3.7   70.6   in 2013   55.9   in 1962  
Month Average Temperature   74.3   74.5   71.8   +2.5   76.6   in 1955   64.1   in 1914  
High Heat Index   89   91   80   +9   100   in 1911            
Low Wind Chill                                      
Heating Degree Days   0   0   0   +0   4   in 1917   0   in 2024  
Month Heating DD   0   0   3   -3   23   in 1914   0   in 2024  
Season Heating DD   0   0   3   -3   23   in 1914   0   in 2024    
Cooling Degree Days   12   11   8   +4   18   in 1911   0   in 2016    
Month Cooling DD   102   105   75   +27   128   in 1955   13   in 1914    
Year Cooling DD   240   181   168   +72   258   in 2010   40   in 1972    
Maximum Dew Point   77   72   69   +8   77   in 2024   50   in 2002    
Minimum Dew Point   70   61   60   +10   70   in 2024   41   in 1989    
Average  Dew Point   74   67   64   +10   74   in 2024   47   in 2002  
 Month Avg Max Dew Point   72.6   74.3   67.8   +4.8   74.3   in 2023   58.1   in 1982  
Month Avg Min Dew Point   65.7   66.3   59.3   +6.5   68.5   in 2013   48.0   in 1962  
Month Average Dew Point   69.2   70.3   63.5   +5.6   71.1   in 2013   53.5   in 1982  
Precipitation   .02   .00   .10   -.08   1.78   in 1959            
One Hour Rain   .01   .00           .46   in 1959            
Half Hour Rain   .01   .00           .13   in 2013            
Hourly Rain Rate   .00   .00           4.47   in 2013            
Month Precipitation   .19   2.63   1.16   -.97   4.76   in 2009   .00   in 2019  
Year Precipitation   34.14   27.11   23.86   +10.28   40.76   in 1998   13.04   in 1957  
Snow   0.0   0.0   0.0   +0.0   0.0   in 1900            
Snow Depth   0   0   0   +0   0   in              
Month Snow   #N/A   #N/A   #N/A   #N/A   #N/A   in #N/A   #N/A   in Many  
Season Snow                                      
    July 11, 2024     Record Record
Observed Daily Data   2024   2023   Norm   Depart   Highest Lowest
Maximum Humidity   99%   99%   91%   +8%   100%   in 2007   72%   in 1971  
Minimum Humidity   74%   55%   56%   +18%   89%   in 2006   28%   in 1981  
Average Humidity   87%   77%   74%   +13%   95%   in 1984   56%   in 2005  
Maximum Barometer   30.09   29.88   30.01   +00.08   30.33   in 1996   29.75   in 2001  
Minimum Barometer   29.85   29.77   29.82   +00.03   30.13   in 1996   29.50   in 1976  
Average Barometer   29.97   29.83   29.92   +00.05   30.23   in 1996   29.63   in 1973  
Average Wind   12.1   5.8   5.7   +6.4   12.1   in 2024   2.1   in 1971  
Direction   SSW   NW   SSW       SSW         N        
High Wind Gust   35   19   21   +14   36   in 2001   10   in 1971  
Direction   SSW   WNW   SSW       WNW         WSW        
Maximum Water Temp   72.3   72.9   70.0   +2.3   74.4   in 2012   64.8   in 2003  
Minimum Water Temp   70.0   70.2   66.2   +3.8   70.2   in 2023   61.6   in 2006  
Average Water Temp   71.2   71.6   68.1   +3.0   72.3   in 2012   63.7   in 2003  
Sunrise/ AM Twilight   5:21:30 AM   4:49:18 AM            
Sunset / PM Twilight   8:19:30 PM   8:52:33 PM            
Length Of Day   14:58:56                          
Special Conditions   Fog                                  
Comments   Record Breaking High Dew Points                      
Hour-by-Hour Weather For July 11, 2024
Climate Weather for July 11
Weather History For July 11
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